EP2809909A4 - Gas turbine engine buffer system providing zoned ventilation - Google Patents
Gas turbine engine buffer system providing zoned ventilationInfo
- Publication number
- EP2809909A4 EP2809909A4 EP13775635.9A EP13775635A EP2809909A4 EP 2809909 A4 EP2809909 A4 EP 2809909A4 EP 13775635 A EP13775635 A EP 13775635A EP 2809909 A4 EP2809909 A4 EP 2809909A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- ventilation
- gas turbine
- turbine engine
- buffer system
- system providing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007853 buffer solution Substances 0.000 title 1
- 238000009423 ventilation Methods 0.000 title 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/04—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output
- F02C6/06—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas
- F02C6/08—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas the gas being bled from the gas-turbine compressor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/18—Lubricating arrangements
- F01D25/183—Sealing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/08—Heating, heat-insulating or cooling means
- F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
- F01D5/082—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades on the side of the rotor disc
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/08—Heating, heat-insulating or cooling means
- F01D5/085—Heating, heat-insulating or cooling means cooling fluid circulating inside the rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
- F02C7/16—Cooling of plants characterised by cooling medium
- F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
- F02C7/185—Cooling means for reducing the temperature of the cooling air or gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/209—Heat transfer, e.g. cooling using vortex tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/213—Heat transfer, e.g. cooling by the provision of a heat exchanger within the cooling circuit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/40—Transmission of power
- F05D2260/403—Transmission of power through the shape of the drive components
- F05D2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261592933P | 2012-01-31 | 2012-01-31 | |
US13/366,450 US10018116B2 (en) | 2012-01-31 | 2012-02-06 | Gas turbine engine buffer system providing zoned ventilation |
PCT/US2013/021634 WO2013154631A1 (en) | 2012-01-31 | 2013-01-16 | Gas turbine engine buffer system providing zoned ventilation |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2809909A1 EP2809909A1 (en) | 2014-12-10 |
EP2809909A4 true EP2809909A4 (en) | 2015-10-07 |
EP2809909B1 EP2809909B1 (en) | 2021-05-26 |
Family
ID=48869062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13775635.9A Active EP2809909B1 (en) | 2012-01-31 | 2013-01-16 | Gas turbine engine buffer system providing zoned ventilation |
Country Status (3)
Country | Link |
---|---|
US (1) | US10018116B2 (en) |
EP (1) | EP2809909B1 (en) |
WO (1) | WO2013154631A1 (en) |
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US9234463B2 (en) | 2012-04-24 | 2016-01-12 | United Technologies Corporation | Thermal management system for a gas turbine engine |
US10280792B2 (en) | 2014-02-21 | 2019-05-07 | United Technologies Corporation | Bore basket for a gas powered turbine |
US9869190B2 (en) | 2014-05-30 | 2018-01-16 | General Electric Company | Variable-pitch rotor with remote counterweights |
US20160076379A1 (en) * | 2014-09-12 | 2016-03-17 | United Technologies Corporation | Turbomachine rotor thermal regulation systems |
US10107206B2 (en) | 2014-11-05 | 2018-10-23 | United Technologies Corporation | High pressure compressor rotor thermal conditioning using discharge pressure air |
US10072510B2 (en) | 2014-11-21 | 2018-09-11 | General Electric Company | Variable pitch fan for gas turbine engine and method of assembling the same |
US10731560B2 (en) | 2015-02-12 | 2020-08-04 | Raytheon Technologies Corporation | Intercooled cooling air |
US11808210B2 (en) | 2015-02-12 | 2023-11-07 | Rtx Corporation | Intercooled cooling air with heat exchanger packaging |
US10371055B2 (en) | 2015-02-12 | 2019-08-06 | United Technologies Corporation | Intercooled cooling air using cooling compressor as starter |
US10830148B2 (en) | 2015-04-24 | 2020-11-10 | Raytheon Technologies Corporation | Intercooled cooling air with dual pass heat exchanger |
US10221862B2 (en) | 2015-04-24 | 2019-03-05 | United Technologies Corporation | Intercooled cooling air tapped from plural locations |
US10480419B2 (en) | 2015-04-24 | 2019-11-19 | United Technologies Corporation | Intercooled cooling air with plural heat exchangers |
US10100739B2 (en) | 2015-05-18 | 2018-10-16 | United Technologies Corporation | Cooled cooling air system for a gas turbine engine |
US10794288B2 (en) | 2015-07-07 | 2020-10-06 | Raytheon Technologies Corporation | Cooled cooling air system for a turbofan engine |
US10100653B2 (en) | 2015-10-08 | 2018-10-16 | General Electric Company | Variable pitch fan blade retention system |
US10330010B2 (en) * | 2015-12-14 | 2019-06-25 | United Technologies Corporation | Compressor core inner diameter cooling |
US10443508B2 (en) | 2015-12-14 | 2019-10-15 | United Technologies Corporation | Intercooled cooling air with auxiliary compressor control |
US10344614B2 (en) | 2016-04-12 | 2019-07-09 | United Technologies Corporation | Active clearance control for a turbine and case |
US10669940B2 (en) | 2016-09-19 | 2020-06-02 | Raytheon Technologies Corporation | Gas turbine engine with intercooled cooling air and turbine drive |
US10794290B2 (en) | 2016-11-08 | 2020-10-06 | Raytheon Technologies Corporation | Intercooled cooled cooling integrated air cycle machine |
US10550768B2 (en) | 2016-11-08 | 2020-02-04 | United Technologies Corporation | Intercooled cooled cooling integrated air cycle machine |
US10961911B2 (en) | 2017-01-17 | 2021-03-30 | Raytheon Technologies Corporation | Injection cooled cooling air system for a gas turbine engine |
US10995673B2 (en) | 2017-01-19 | 2021-05-04 | Raytheon Technologies Corporation | Gas turbine engine with intercooled cooling air and dual towershaft accessory gearbox |
FR3062679B1 (en) * | 2017-02-07 | 2019-04-19 | Safran Aircraft Engines | VIROLE FOR REDUCING THE PRESSURE REDUCTION IN THE NEIGHBORHOOD OF THE UPPER JOINT OF A TURBOJET ENGINE BEARING ENCLOSURE |
US10577964B2 (en) | 2017-03-31 | 2020-03-03 | United Technologies Corporation | Cooled cooling air for blade air seal through outer chamber |
US10711640B2 (en) | 2017-04-11 | 2020-07-14 | Raytheon Technologies Corporation | Cooled cooling air to blade outer air seal passing through a static vane |
US10502096B2 (en) * | 2017-12-15 | 2019-12-10 | General Electric Company | Bearing damper for cold engine ground starts or in-flight re-starts |
US10767485B2 (en) * | 2018-01-08 | 2020-09-08 | Raytheon Technologies Corporation | Radial cooling system for gas turbine engine compressors |
FR3078369B1 (en) * | 2018-02-23 | 2020-03-20 | Safran Aircraft Engines | TURBOMACHINE COMPRISING A HEAT EXCHANGER CONSISTING OF AT LEAST ONE INTER AUBES PLATFORM |
US10774742B2 (en) * | 2018-03-21 | 2020-09-15 | Raytheon Technologies Corporation | Flared anti-vortex tube rotor insert |
US10738703B2 (en) | 2018-03-22 | 2020-08-11 | Raytheon Technologies Corporation | Intercooled cooling air with combined features |
US10830145B2 (en) | 2018-04-19 | 2020-11-10 | Raytheon Technologies Corporation | Intercooled cooling air fleet management system |
US10808619B2 (en) | 2018-04-19 | 2020-10-20 | Raytheon Technologies Corporation | Intercooled cooling air with advanced cooling system |
US10718233B2 (en) | 2018-06-19 | 2020-07-21 | Raytheon Technologies Corporation | Intercooled cooling air with low temperature bearing compartment air |
US11255268B2 (en) | 2018-07-31 | 2022-02-22 | Raytheon Technologies Corporation | Intercooled cooling air with selective pressure dump |
US11149645B2 (en) * | 2019-05-30 | 2021-10-19 | Raytheon Technologies Corporation | Thermal management of a shaft |
FR3097907B1 (en) * | 2019-06-27 | 2021-06-04 | Safran Aircraft Engines | Active control of the high pressure compressor cooling flow |
WO2021014667A1 (en) | 2019-07-24 | 2021-01-28 | 株式会社Ihi | Generator cooling system of turbo fan engine |
US11530705B2 (en) | 2020-11-17 | 2022-12-20 | Hamilton Sundstrand Corporation | Bearing cooling schemes for aircraft fans |
US20220162993A1 (en) * | 2020-11-23 | 2022-05-26 | Raytheon Technologies Corporation | Starter turbine bearing compartment buffer air |
US11572837B2 (en) * | 2021-01-22 | 2023-02-07 | Pratt & Whitney Canada Corp. | Buffer fluid delivery system and method for a shaft seal of a gas turbine engine |
US11674435B2 (en) | 2021-06-29 | 2023-06-13 | General Electric Company | Levered counterweight feathering system |
US11795964B2 (en) | 2021-07-16 | 2023-10-24 | General Electric Company | Levered counterweight feathering system |
FR3129979A1 (en) * | 2021-12-02 | 2023-06-09 | Safran Aircraft Engines | Pressurization of a lubricated turbomachine enclosure |
CN117469030A (en) * | 2022-07-22 | 2024-01-30 | 通用电气公司 | Cooling system for a turbine engine |
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2012
- 2012-02-06 US US13/366,450 patent/US10018116B2/en active Active
-
2013
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- 2013-01-16 WO PCT/US2013/021634 patent/WO2013154631A1/en active Application Filing
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US4576547A (en) * | 1983-11-03 | 1986-03-18 | United Technologies Corporation | Active clearance control |
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Non-Patent Citations (1)
Title |
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See also references of WO2013154631A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2809909B1 (en) | 2021-05-26 |
WO2013154631A1 (en) | 2013-10-17 |
US10018116B2 (en) | 2018-07-10 |
EP2809909A1 (en) | 2014-12-10 |
US20130192253A1 (en) | 2013-08-01 |
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